Bump apps/open-source-billing from `1765117` to `ee3664a`
Bump apps/open-source-billing from `1765117` to `ee3664a`

Bumps [apps/open-source-billing](https://github.com/vteams/open-source-billing) from `1765117` to `ee3664a`.
- [Release notes](https://github.com/vteams/open-source-billing/releases)
- [Commits](https://github.com/vteams/open-source-billing/compare/17651175a3e2bea0b47843c12a96a7f73139e2c0...ee3664aacee5db86c52678971c8448772ca71f2c)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
eliotsykes/real-world-rails